supabase / auth-js / 16913725261 / 2

71%

master: 71%

push

github

chore: add preview release (#1097)

## What kind of change does this PR introduce?

Infrastructure improvement - adds a preview release workflow for easier
testing of changes.

## What is the current behavior?

Contributors and maintainers need to manually build and test changes
locally or wait for official releases to test package changes.

## What is the new behavior?

- Adds automated preview release workflow using
[`pkg.pr.new`](https://github.com/stackblitz-labs/pkg.pr.new)
- Triggers on pushes to `master` branch and PRs with the `trigger:
preview` label
- Automatically publishes preview packages that can be installed and
tested
- Provides temporary package URLs for quick testing without affecting
the main package

## Additional context

This workflow allows for:
- Quick testing of PR changes before merging
- Easy collaboration on features by sharing preview package links
- Reduced friction in the development and review process

The workflow uses the `trigger: preview` label to control when preview
releases are created for PRs, preventing unnecessary builds while
allowing on-demand testing.

872 of 1441 branches covered (60.51%)

Branch coverage included in aggregate %.

1322 of 1691 relevant lines covered (78.18%)

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